AC Circuits

1. What is the word being describe here?" the number of times the waveform repeats itself within a one second time period".

Period

Amplitude

Frequency

2. Is the magnitude or intensity of the signal waveform measured in volts or amps.

Period

Amplitude

Frequency

3. •Vectors, Phasors and Phasor Diagrams only apply to sinusoidal AC waveforms.

True

False

4. Is the length of time in seconds that the waveform takes to repeat itself from start to finish.

Period

Amplitude

Frequency

5. A coil has a resistance of 30Ω and an inductance of 0.5H. If the current flowing through the coil is 4amps and its frequency is 50Hz. What will be the voltage drop across resistor?

140 V

130 V

120 V

6. A coil has a resistance of 30Ω and an inductance of 0.5H. If the current flowing through the coil is 4amps and its frequency is 50Hz. What will be the impedance?

159.8Ohms

259.8Ohms

359.8Ohms

Submit

8. A coil has a resistance of 30Ω and an inductance of 0.5H. If the current flowing through the coil is 4amps and its frequency is 50Hz. What will be the inductive reactance?

357Ohms

257Ohms

157Ohms

9. A coil has a resistance of 30Ω and an inductance of 0.5H. If the current flowing through the coil is 4amps and its frequency is 50Hz. What will be the voltage drop across inductor?

628 V

528 V

428 V

10. A coil has a resistance of 30Ω and an inductance of 0.5H. If the current flowing through the coil is 4amps and its frequency is 50Hz. What will be the supply voltage?

620 V

630 V

640 V